.a-loading-mask {
  position: absolute;
  z-index: 2000;
  background-color: rgba(255, 255, 255, 0.9);
  margin: 0;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
  .a-loading-spinner {
    top: 50%;
    margin-top: -15px;
    width: 100%;
    position: absolute;
  }
}

.a-loading-parent--relative {
  position: relative !important;
}
.a-loading-parent--hidden {
  display: none;
}